Science

Wednesday, 12 August 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

Did you know?

Tears
Babies can cry for up to three hours a day.
It is their way of communicating their needs, such as hunger, tiredness, or discomfort.
Snow
On average, snowflakes are about five millimeters in diameter and weigh about four milligrams.
As temperatures rise, snowflakes become larger as the crystals thaw and then stick together to form ...
Mushrooms
Mushrooms are an essential component of the circulation of matter in nature, they are decomposers - the last link in the food chain.
As the only organisms have the ability to break down lignin and are of great importance in the break ...
Enceladus
Enceladus' geysers are the main source of material in Saturn's E ring.
This material also reaches Saturn's atmosphere, where water from the Enceladus eruption can be found.
Fungi
Mycelium can become visible to the naked eye, for example, on various surfaces and substrates, such as damp walls, spoiled food, etc.
Mycelia, grown on solid surfaces, are called colonies. Some individual colonies can reach extraordin ...
Large Magellanic Cloud
In 964, the Persian astronomer Al Sufi observed the galaxy and named it Al Bakr, which means "The White Ox".
Fungi
Mushrooms are an important component of the circulation of matter in nature, they are decomposers - the last link in the food chain.
They are the only organisms that can decompose lignin and are important in the decomposition of cell ...
Brain
The average weight of a brain ranges from about 1,225 to 1,375 grams.
Men's brains are heavier than women's brains, but the weight does not affect the brain’s performance. An infant's brain weighs only 350 grams.
Earth
The highest point on Earth is Mount Everest.
The peak is 8848 m above sea level. However, Mount Everest is not the farthest point from the center ...
Earth
It is similar with the oceans - depending on the divisions, there are from three to five of them.
We distinguish oceans: Pacific, Atlantic, Indian, Southern, and Arctic. The basic ones are considere ...